How To Install libproj12 on Debian 9
Introduction
In this tutorial we learn how to install libproj12 on Debian 9.
What is libproj12
libproj12 is:
Proj and invproj perform respective forward and inverse transformation of cartographic data to or from Cartesian data with a wide range of selectable projection functions (over 100 projections).
Geod and invgeod perform geodesic (Great Circle) computations for determining latitude, longitude and back azimuth of a terminus point given a initial point latitude, longitude, azimuth and distance (direct) or the forward and back azimuths and distance between an initial and terminus point latitudes and longitudes (inverse).
This package provides the PROJ4 shared library used by tools and third parties programs.
There are three methods to install libproj12 on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install libproj12 Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libproj12 using apt-get by running the following command:
sudo apt-get -y install libproj12
Install libproj12 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libproj12 using apt by running the following command:
sudo apt -y install libproj12
Install libproj12 Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Debian. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install libproj12 using aptitude by running the following command:
sudo aptitude -y install libproj12
How To Uninstall libproj12 on Debian 9
To uninstall only the libproj12 package we can use the following command:
sudo apt-get remove libproj12
Uninstall libproj12 And Its Dependencies
To uninstall libproj12 and its dependencies that are no longer needed by Debian 9, we can use the command below:
sudo apt-get -y autoremove libproj12
Remove libproj12 Configurations and Data
To remove libproj12 configuration and data from Debian 9 we can use the following command:
sudo apt-get -y purge libproj12
Remove libproj12 configuration, data, and all of its dependencies
We can use the following command to remove libproj12 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libproj12
Dependencies
libproj12 have the following dependencies:
References
Summary
In this tutorial we learn how to install libproj12 package on Debian 9 using different package management tools: apt, apt-get and aptitude.
